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One of North Vietnam's most recognizable wartime voices fell silent last Friday, when former radio broadcaster Trinh Thi Ngo, dubbed "Hanoi Hannah" by American service members, died.

Her former employer, the government-run Voice of Vietnam, reported the news on its website Sunday. The radio service says Trinh was 87 when she died, though there are conflicting reports about the year of her birth.

The Nobel Prize in physics this morning has been awarded to three scientists. They won for their work exploring new phases of matter. Joining us to talk about the winners is NPR's science editor, Geoff Brumfiel. Good morning.

Yoshinori Ohsumi of the Tokyo Institute of Technology has won the 2016 Nobel Prize in Physiology or Medicine for his discoveries about "autophagy" — a fundamental process cells use to degrade and recycle parts of themselves.

Ohsumi, 71, is a professor emeritus at the Tokyo Institute of Technology in Yokohama, Japan. As the sole winner, Ohsumi will receive more than $930,000.

Just up the hill from Istanbul's Old City, lines are forming outside the district governor's office. This is where Turks can find a new "crisis management center," where those caught up in the post-coup purge can finally be heard in their own defense – or in defense of a relative now behind bars. At a desk, people can submit their written defenses.